Water treatment assembly comprising a solar evaporator

Abstract

A water treatment assembly is provided. The assembly includes a source generating a flow to be purified; a solar evaporation unit; a transfer duct; a heating device of the transfer duct; and a mechanical ventilation device provided to ensure a forced air circulation in the solar evaporation unit.

What is claimed is: 
     
         1 - 12 . (canceled) 
     
     
         13 . A water treatment assembly, comprising:
 a source generating a flow to be purified, the flow to be purified comprising a majority of water, the flow to be purified also comprising at least one compound to be separated from the water;   a solar evaporator for the flow to be purified, the solar evaporator configured for evaporating the water from the flow to be purified and condensing the evaporated water into a purified water flow, the solar evaporator comprising at least one basin for receiving the flow to be purified having an upward opening and a translucent roof covering the opening;   a transfer duct connecting the source to the solar evaporator, the transfer duct provided to transfer the flow to be purified from the source to the solar evaporator;   a heater of the transfer duct; and   a mechanical ventilator provided to ensure a forced air circulation in the solar evaporator.   
     
     
         14 . The assembly as recited in  claim 13  wherein the ventilator is arranged to ensure a recirculation rate inside the solar evaporator making it possible to obtain a ratio between the mass of the evaporated water and the mass of circulating dry air greater than 0.012. 
     
     
         15 . The assembly as recited in  claim 13  wherein the heater comprises at least one mirror provided to concentrate solar radiation on the transfer duct. 
     
     
         16 . The assembly as recited in  claim 15  wherein the duct comprises a segment on which the solar radiation is concentrated by the mirror, the segment having a first diameter, the mirror having a second diameter comprised between 5 and 100 times the first diameter. 
     
     
         17 . The assembly as recited in  claim 13  wherein the heater is configured for heating a segment of the duct in which the flow to be purified runs along a straight path. 
     
     
         18 . The assembly as recited in  claim 13  wherein the duct is arranged so that the flow to be purified has a straight path along the largest part of the duct. 
     
     
         19 . The assembly as recited in  claim 13  wherein the heater is provided to heat the flow to be purified to a temperature comprised between 40° C. and 80° C. 
     
     
         20 . The assembly as recited in  claim 13  wherein further comprising a member ensuring a mixed or pulsed circulation of the flow to be purified in the duct. 
     
     
         21 . The assembly as recited in  claim 13  wherein the heater is a hybrid device comprising at least one photovoltaic cell generating electric current supplying electricity to the ventilator. 
     
     
         22 . The assembly as recited in  claim 13  further comprising a member ensuring a circulation of the flow to be purified in the duct, the member being supplied with electricity by the photovoltaic cell. 
     
     
         23 . The assembly as recited in  claim 13  wherein the solar evaporator operates by greenhouse effect, the flow to be purified in the receiving basin being at a temperature comprised between 50° C. and 90° C. 
     
     
         24 . The assembly as recited in  claim 13  wherein the solar evaporator includes an array of black beams, extending at the surface of the basin.